Railways Quantitative Aptitude Percentage Sample Paper Percentage Sample Test Paper-8

  • question_answer
    A number is increased by 20% and then again by 20%. By what percent should the increased number be reduced so as to get back the original number?

    A)  30%                

    B)  42%

    C)  44%    

    D)  41%

    Correct Answer: A

    Solution :

    [a] Total increase \[=20+20+\frac{20\times 20}{100}=44%\] \[\therefore \] Reduce in number \[=\frac{44}{144}\times 100=30\frac{5}{9}%\]


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